525670225 has 12 divisors (see below), whose sum is σ = 667730700. Its totient is φ = 410278400.

The previous prime is 525670219. The next prime is 525670261. The reversal of 525670225 is 522076525.

It can be written as a sum of positive squares in 6 ways, for example, as 162996289 + 362673936 = 12767^2 + 19044^2 .

It is not a de Polignac number, because 525670225 - 2¹⁷ = 525539153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255400 + ... + 257449.

It is an arithmetic number, because the mean of its divisors is an integer number (55644225).

Almost surely, 2^525670225 is an apocalyptic number.

It is an amenable number.

525670225 is a deficient number, since it is larger than the sum of its proper divisors (142060475).

525670225 is a wasteful number, since it uses less digits than its factorization.

525670225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512900 (or 512895 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 525670225 is about 22927.4993185040. The cubic root of 525670225 is about 807.0574659896.

The spelling of 525670225 in words is "five hundred twenty-five million, six hundred seventy thousand, two hundred twenty-five".